/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.iotdb.confignode.consensus.request.read.region;

import org.apache.iotdb.common.rpc.thrift.TConsensusGroupType;
import org.apache.iotdb.confignode.consensus.request.ConfigPhysicalPlan;
import org.apache.iotdb.confignode.consensus.request.ConfigPhysicalPlanType;
import org.apache.iotdb.confignode.rpc.thrift.TShowRegionReq;
import org.apache.iotdb.tsfile.utils.ReadWriteIOUtils;

import java.io.DataOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;

public class GetRegionInfoListPlan extends ConfigPhysicalPlan {

    private TShowRegionReq showRegionReq;

    public GetRegionInfoListPlan() {
        super(ConfigPhysicalPlanType.GetRegionInfoList);
    }

    public GetRegionInfoListPlan(TShowRegionReq showRegionReq) {
        super(ConfigPhysicalPlanType.GetRegionInfoList);
        this.showRegionReq = showRegionReq;
    }

    public TShowRegionReq getShowRegionReq() {
        return showRegionReq;
    }

    public void setShowRegionReq(TShowRegionReq showRegionReq) {
        this.showRegionReq = showRegionReq;
    }

    @Override
    protected void serializeImpl(DataOutputStream stream) throws IOException {
        stream.writeShort(getType().getPlanType());
        stream.writeBoolean(showRegionReq != null);
        if (showRegionReq != null) {
            boolean setConsensusGroupType = showRegionReq.isSetConsensusGroupType();
            stream.writeBoolean(setConsensusGroupType);
            if (setConsensusGroupType) {
                ReadWriteIOUtils.write(showRegionReq.getConsensusGroupType().ordinal(), stream);
            }
            boolean setStorageGroups = showRegionReq.isSetStorageGroups();
            stream.writeBoolean(setStorageGroups);
            if (setStorageGroups) {
                ReadWriteIOUtils.writeStringList(showRegionReq.getStorageGroups(), stream);
            }
        }
    }

    @Override
    protected void deserializeImpl(ByteBuffer buffer) throws IOException {
        if (ReadWriteIOUtils.readBool(buffer)) {
            this.showRegionReq = new TShowRegionReq();
            if (ReadWriteIOUtils.readBool(buffer)) {
                this.showRegionReq.setConsensusGroupType(
                        TConsensusGroupType.values()[ReadWriteIOUtils.readInt(buffer)]);
            }
            if (ReadWriteIOUtils.readBool(buffer)) {
                this.showRegionReq.setStorageGroups(ReadWriteIOUtils.readStringList(buffer));
            }
        }
    }
}
